Seiko Cal. 7071 - 370

This Automatic model from 1980 features a 36mm PVD Black case. Powered by the 7071 caliber with 21j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-26a1c2b480ae]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1980

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